Fiers promised to testify fully and truthfully.

菲尔斯承诺毫无保留地、如实地作证。

《柯林斯英汉双解大词典》

One of the highlights of the rocket was the image observation system enabling humans to see for the first time at a near distance and truthfully the attitude of the rocket flying.

这枚火箭的亮点之一，图像测量系统能让人们第一次近距离、真切地看到火箭飞行的姿态。

youdao

He answered frankly and truthfully all my questions.

他坦率而真诚地回答了我的所有问题。

youdao

I might speak from the bottom of my heart, or say things honestly and truthfully.

VOA: special.2010.07.11

Santorum stayed calm, and he sought to answer the questions thoughtfully and truthfully.

FORBES: Santorum survives the Paul-Romney gauntlet

They must convey their concerns to civilian policy-makers forcefully and truthfully.

WSJ: Our Generals Almost Cost Us Iraq

When I stepped into it, it had been shut down for three years, and truthfully, I wasn't bright enough to understand why everybody had walked away.

FORBES: Page 2 of 3